Home / 921,883.14-1,272,282.27-559,398.83

Finding the Fourth Proportional to 921,883.14, 1,272,282.27 and 559,398.83

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Solution

The fourth proportional to 921,883.14, 1,272,282.27 and 559,398.83 is: 772,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,883.14 : 1,272,282.27 = 559,398.83 : x
  2. Step 2: Convert to fraction form
    921,883.14/1,272,282.27 = 559,398.83/x
  3. Step 3: Cross multiply
    921,883.14x = 1,272,282.27 × 559,398.83
  4. Step 4: Simplify right side
    921,883.14x = 711,713,206,906.33
  5. Step 5: Solve for x
    x = 711,713,206,906.33/921,883.14
  6. Step 6: Final answer
    x = 772,021.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.